どうりょう同僚douryou
1.
A person who works in the same workplace and shares a similar level of responsibility or status.
2.
An individual with whom one collaborates professionally, often within the same organization, and who typically holds a comparable position.
3.
A fellow employee who contributes to the same team or work environment, often engaging in mutual support or collaboration.
Example:
私の同僚は報告書を改ざんした。